let config={
    childs:[
        {
            icon: 'iconfont icon-youxi',
            index: '/profit',
            title: 'B游汇平台利润' 
        },
        {
            icon:'el-icon-search',
            index:'2',
            title:'充值查询',
            children:[
                {
                    index:'/accountRank',
                    title:'帐号充值排行榜',
                },
                {
                    index:'/channelRank',
                    title:'渠道充值排行榜'
                }
            ]
        }
    ]
}